Bearing NU2244 NTN NU2244 NTN bearing Size Chart (mm/inches) |
|---|
| d | 75 mm |
| D | 115 mm |
| B | 20 mm |
| d1 | 87.8 mm |
| D1 | 102.2 mm |
| D2 | 108.36 mm |
| a | 23 mm |
| Contact angle α | 15 ° |
| rs min | 1.1 mm |
| r1s min | 0.6 mm |
| f0 | 15.89 |
| Precision class | P4 |
| Mass | 0.64 kg |
| Dynamic load, C | 49.1 kN |
| Static load, C0 | 47.9 kN |
| Fatigue limit load, Cu | 2.55 kN |
| Nlim (oil) | 18,500 rpm |
| Nlim (grease) | 12,000 rpm |
| Axial displacement K Factor | 0.96 |
| Preload level | 8 |
| Preload value | 0.76 kN |
| Axial rigidity | 147 N/µm |
| Radial rigidity | 743 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 7.86 Hz |
| Characteristic outer ring frequency, BPF0 | 9.67 Hz |
| Characteristic inner ring frequency, BPFI | 12.33 Hz |
| da min | 82 mm |
| db min | 82 mm |
| Da max | 108 mm |
| Db max | 108 mm |
| r1a max | 0.6 mm |
| ra max | 1 mm |
| D6 | 91.7 mm |